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                >LM5145>規(guī)格書列表
                
          
            
          
                
          
                    
          型號(hào)下載 訂購(gòu)功能描述制造商 上傳企業(yè)LOGO
          
                    
          LM5145
          具有寬輸入電壓范圍和占空比范圍的 75V 同步降壓控制器
          LM5145 75V 同步降壓控制器旨在對(duì)高輸入電壓源或會(huì)發(fā)生高電壓瞬變的輸入電源軌進(jìn)行電壓調(diào)節(jié)，從而更大限度地減少對(duì)外部浪涌抑制元件的需求。40ns 的高側(cè)開關(guān)最短導(dǎo)通時(shí)間有助于獲得較大的降壓比，支持從 48V 標(biāo)稱輸入到低電壓軌的直接降壓轉(zhuǎn)換，從而降低系統(tǒng)的復(fù)雜性并減少解決方案成本。LM5145 在輸入電壓突降至 6V 時(shí)，仍能根據(jù)需要以接近 100% 的占空比繼續(xù)工作，因此是高性能工業(yè)控制、機(jī)器人、數(shù)據(jù)通信和射頻功率應(yīng)用的理想選擇。\n\n強(qiáng)制 PWM (FPWM) 模式運(yùn)行可以消除開關(guān)頻率變化以更大程度地降低 EMI，而用戶可選的二極管仿真功能則可以降低輕負(fù)載條件下的電流消耗。  ? 多功能同步降壓直流/直流控制器 \n? 具有 ±1% 反饋精度的 0.8V 基準(zhǔn)\n? 40ns tON(min)，可實(shí)現(xiàn)高 VIN/VOUT 比\n? 針對(duì) CISPR 32 要求進(jìn)行了優(yōu)化\n? 開關(guān)頻率范圍為 100kHz 至 1MHz \n? 可選二極管仿真或 FPWM\n? 適用于標(biāo)準(zhǔn) VTH MOSFET 的 7.5V 柵極驅(qū)動(dòng)器 \n? 2.3A 拉電流和 3.5A 灌電流能力\n? 快速線路和負(fù)載瞬態(tài)響應(yīng) \n? 高增益帶寬誤差放大器\n? 固有保護(hù)特性，可實(shí)現(xiàn)穩(wěn)健的設(shè)計(jì) \n? 斷續(xù)模式過流保護(hù)\n? VCC 和柵極驅(qū)動(dòng) UVLO 保護(hù)\n? 具有遲滯功能的熱關(guān)斷;
          TI
          德州儀器
          

          LM5145-Q1
          LM25148-Q1 42-V, Automotive, Synchronous, Buck DC/DC Controller with Ultra-Low IQ and Dual Random Spread Spectrum
          
1 Features
? AEC-Q100 qualified for automotive applications:
– Device temperature grade 1: –40°C to +125°C
ambient operating temperature
? Functional Safety-Capable
– Documentation available to aid functional safety
system design
? Integrated EMI mitigation
– Selectable dual random spread 
          文件：5.58512 Mbytes 頁(yè)數(shù)：66 Pages
          TI
          德州儀器
          

          LM5145-Q1
          LM5148-Q1 80-V, Automotive, Synchronous, Buck DC/DC Controller with Ultra-Low IQ and Dual Random Spread Spectrum
          
1 Features
? AEC-Q100 qualified for automotive applications:
– Device temperature grade 1: –40°C to +125°C
ambient operating temperature
? Functional Safety-Capable
– Documentation available to aid functional safety
system design
? Integrated EMI mitigation
– Selectable dual random spread 
          文件：6.0505 Mbytes 頁(yè)數(shù)：67 Pages
          TI
          德州儀器
          

          LM5145-Q1
          LM5137F-Q1 Automotive, 4V to 80V, 100% Duty Cycle Capable, Dual-Channel Synchronous Buck Controller Family for Functional Safety Applications
          
1 Features
? AEC-Q100 qualified for automotive applications:
– Device temperature grade 1: –40°C to 125°C
ambient operating temperature
? Functional Safety-Compliant targeted
– Developed for functional safety applications
? Three orderable part numbers for Capable,
ASIL B, and ASIL D option
          文件：1.31761 Mbytes 頁(yè)數(shù)：14 Pages
          TI
          德州儀器
          

          LM5145-Q1
          LM25148-Q1 42-V, Automotive, Synchronous, Buck DC/DC Controller with Ultra-Low IQ and Dual Random Spread Spectrum
          
1 Features
? AEC-Q100 qualified for automotive applications:
– Device temperature grade 1: –40°C to +125°C
ambient operating temperature
? Functional Safety-Capable
– Documentation available to aid functional safety
system design
? Integrated EMI mitigation
– Selectable dual random spread 
          文件：5.5858 Mbytes 頁(yè)數(shù)：66 Pages
          TI
          德州儀器
          

          LM5145-Q1
          LM25139-Q1 Automotive, 42V, Synchronous Buck DC/DC Controller With Dual Random Spread Spectrum for Advanced EMI Mitigation
          
1 Features
? AEC-Q100 qualified for automotive applications:
– Device temperature grade 1: –40°C to 125°C
ambient operating temperature
? Versatile synchronous buck DC/DC controller
– Wide input voltage range of 4V to 42V
– Fixed 3.3V, 5V or adjustable output voltage
from 0.8V to 36V
– –40
          文件：3.30022 Mbytes 頁(yè)數(shù)：60 Pages
          TI
          德州儀器
          

          LM5145-Q1
          LM25137-Q1 Automotive, 4V to 42V, 100% Duty Cycle Capable, Dual-Channel, Synchronous Buck Controller
          
1 Features
? AEC-Q100 qualified for automotive applications:
– Device temperature grade 1: –40°C to 125°C
ambient operating temperature
? Functional Safety-Capable
– Documentation available to aid functional safety
system design
? Functional Safety-Compliant options – ASIL B and
ASIL D – a
          文件：3.59186 Mbytes 頁(yè)數(shù)：71 Pages
          TI
          德州儀器
          

          LM5145-Q1
          LM25137F-Q1 Automotive, 4V to 42V, 100% Duty Cycle Capable, Dual-Channel, Synchronous Buck DC/DC Controller Family for Functional Safety Applications
          
1 Features
? AEC-Q100 qualified for automotive applications:
– Device temperature grade 1: –40°C to 125°C
ambient operating temperature
? Functional Safety-Compliant
– Developed for functional safety applications
? Three orderable part numbers for Capable,
ASIL B, and ASIL D options
– Docu
          文件：1.19929 Mbytes 頁(yè)數(shù)：16 Pages
          TI
          德州儀器
          

          LM5145-Q1
          LM25148-Q1 42-V Automotive Synchronous Buck DC/DC Controller with Ultra-Low IQ and Dual Random Spread Spectrum
          文件：5.13143 Mbytes 頁(yè)數(shù)：53 Pages
          TI
          德州儀器
          

          LM5145-Q1
          LM5145-Q1 Automotive 75-V Synchronous Buck DC/DC Controller With Wide Duty Cycle Range
          文件：4.26161 Mbytes 頁(yè)數(shù)：62 Pages
          TI
          德州儀器
          

          
            
          
		
        
          
            
          
                
          技術(shù)參數(shù)
          
            
          
            
            
            	
          • Vin (Max) (V)：
            75
          • Vout (Min) (V)：
            0.8
          • Vout (Max) (V)：
            60
          • Iout (Max) (A)：
            30
          • Iq (Typ) (uA)：
            1500
          • Switching frequency (Min) (kHz)：
            100
          • Switching frequency (Max) (kHz)：
            1000
          • Features：
            Adjustable Current Limit
          • Operating temperature range (C)：
            -40 to 125
          • Regulated outputs (#)：
            1
          • Number of phases：
            1
          • Rating：
            Catalog
          
            
          
        
          
            
          供應(yīng)商型號(hào)品牌批號(hào)封裝庫(kù)存備注價(jià)格
          
                
          



          NA
          		

          23+
          		

          NA
          		

          26094
          		

          10年以上分銷經(jīng)驗(yàn)原裝進(jìn)口正品,做服務(wù)型企業(yè)
          		
詢價(jià)
          

          



          		

          		

          		

          80000
          		

          		
詢價(jià)
          

          



          TI德州儀器
          		

          22+
          		

          		

          24000
          		

          原裝正品現(xiàn)貨,實(shí)單可談,量大價(jià)優(yōu)
          		
詢價(jià)
          

          



          TI
          		

          24+
          		

          SMD
          		

          15600
          		

          電源管理IC開發(fā)工具
          		
詢價(jià)
          

          



          TI
          		

          三年內(nèi)
          		

          		

          1983
          		

          只做原裝正品
          		
詢價(jià)
          

          



          TI
          		

          24+
          		

          20-VQFN(4.5x3.5)
          		

          66800
          		

          原廠授權(quán)一級(jí)代理,專注汽車、醫(yī)療、工業(yè)、新能源！
          		
詢價(jià)
          

          



          Texas Instruments
          		

          24+
          		

          20-VQFN(4.5x3.5)
          		

          65300
          		

          一級(jí)代理/放心采購(gòu)
          		
詢價(jià)
          

          



          TI(德州儀器)
          		

          2447
          		

          VQFN-20
          		

          105000
          		

          3000個(gè)/圓盤一級(jí)代理專營(yíng)品牌!原裝正品,優(yōu)勢(shì)現(xiàn)貨,
          		
詢價(jià)
          

          



          TI
          		

          25+
          		

          DFN-20
          		

          932
          		

          就找我吧!--邀您體驗(yàn)愉快問購(gòu)元件!
          		
詢價(jià)
          

          



          TI(德州儀器)
          		

          2021+
          		

          VQFN-20
          		

          499
          		

          		
詢價(jià)
          

            
          
        
          
        
          更多LM5145供應(yīng)商
            更新時(shí)間2026-1-21 17:11:00
        
          
        
          
          
          
            
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